Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 08:43:18 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 08:43:18 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 55 Guests are viewing this board. | ||||
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Trem-o-nator on-off relay switch
Started by tubenit |
10 Replies
3357 Views |
September 28, 2020, 05:11:59 pmby shooter |
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6G16 Vibroverb - Thunderstorm noise
Started by Elad |
28 Replies
6956 Views |
September 28, 2020, 03:51:16 am by Elad |
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Transistor equivalents?
Started by Searing |
28 Replies
5984 Views |
September 27, 2020, 10:59:18 pm by Searing |
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62 Replies
12132 Views |
September 27, 2020, 09:36:20 pm by Cramer1 |
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Schematic for 6CW5/EL86 amp?
Started by AmberB |
15 Replies
9199 Views |
September 27, 2020, 08:08:39 pm by AmberB |
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19 Replies
5423 Views |
September 26, 2020, 04:37:19 pm by bnwitt |
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Silverface champ biasing hot
Started by texwest |
21 Replies
6619 Views |
September 26, 2020, 10:10:09 am by Latole |
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Firefly build
Started by ShoemanGB |
0 Replies
1917 Views |
September 26, 2020, 07:06:58 am by ShoemanGB |
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Treble control
Started by VintageAmps |
8 Replies
2462 Views |
September 26, 2020, 03:16:21 am by VintageAmps |
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33 Replies
16912 Views |
September 26, 2020, 02:57:50 am by helloraph |
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Proper connection for volume control?
Started by AmberB |
3 Replies
1864 Views |
September 25, 2020, 10:42:02 pm by AmberB |
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1 Replies
1514 Views |
September 25, 2020, 08:06:33 pm by sluckey |
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Vibrato Control vs Pedal
Started by jordan86 |
4 Replies
2039 Views |
September 25, 2020, 04:14:26 pm by sluckey |
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AB763 One channel schematic question
Started by acheld |
5 Replies
2397 Views |
September 24, 2020, 08:37:30 pm by sluckey |
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6 Replies
2744 Views |
September 24, 2020, 04:16:01 pm by anteriorl5 |
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Ampeg B15-NF restoration project
Started by Dave Moberg |
39 Replies
8622 Views |
September 24, 2020, 03:32:20 pm by Dave Moberg |
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Old Bronson Amp
Started by Big chief |
1 Replies
2103 Views |
September 24, 2020, 01:13:31 pm by bmccowan |
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DIY 2204 negative DC voltage on grid of preamp tube
Started by jasonvilla « 1 2 3 » |
118 Replies
24736 Views |
September 24, 2020, 12:30:49 pm by jasonvilla |
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4 Replies
2504 Views |
September 24, 2020, 10:13:53 am by Latole |
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1978 JMP 2204 Input Question
Started by dunner84 |
2 Replies
1755 Views |
September 24, 2020, 03:45:05 am by Latole |
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Voltages on vintage tube amps
Started by VintageAmps |
8 Replies
3810 Views |
September 23, 2020, 08:06:10 pm by VintageAmps |
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62 Replies
19522 Views |
September 23, 2020, 05:20:28 pm by Baptiste |
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Three wire choke
Started by Sonny ReVerb |
6 Replies
3187 Views |
September 23, 2020, 01:03:19 pm by Latole |
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Gibson clone
Started by tobyk |
10 Replies
2649 Views |
September 22, 2020, 10:51:30 pm by PRR |
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3 Replies
2853 Views |
September 22, 2020, 03:14:46 pm by MWaldorf |
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Low heater voltage?
Started by daveyajd |
38 Replies
9304 Views |
September 22, 2020, 02:40:07 pm by Latole |
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Silvertone 1484 - Channel 2 Hum
Started by scstill |
12 Replies
4134 Views |
September 21, 2020, 11:04:04 pm by sluckey |
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Mystery Vintage amp
Started by Raybob |
10 Replies
2533 Views |
September 21, 2020, 09:02:42 pm by DummyLoad |
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21 Replies
4756 Views |
September 21, 2020, 07:13:51 pm by luthierwnc |
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38 Replies
10111 Views |
September 21, 2020, 05:31:48 pm by passaloutre |
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New 5F6A build, Low unloaded B+
Started by CascoSieg |
5 Replies
2347 Views |
September 21, 2020, 03:10:05 pm by CascoSieg |
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grid leak resistor
Started by isaac_teller |
3 Replies
1766 Views |
September 21, 2020, 02:31:05 am by isaac_teller |
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13 Replies
3088 Views |
September 20, 2020, 04:50:00 pm by Gone_Fishing |
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18 Replies
21079 Views |
September 20, 2020, 02:17:38 pm by fretts |
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Custom chassis fabricator suggestions?
Started by leonc |
12 Replies
5380 Views |
September 20, 2020, 02:10:46 pm by leonc |
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51 Replies
8476 Views |
September 19, 2020, 08:03:10 pm by neddyboy |
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6 Replies
2906 Views |
September 19, 2020, 02:54:14 pm by Latole |
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30 Replies
6135 Views |
September 19, 2020, 08:18:36 am by Diverted |
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10 Replies
5524 Views |
September 18, 2020, 03:27:39 pm by Curranm |
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New Reverb tank on fender amp
Started by sebbes |
4 Replies
2372 Views |
September 18, 2020, 12:44:38 pm by ac427v |
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Dynacord DA15/V restoration
Started by SelmaSedlak |
4 Replies
3050 Views |
September 18, 2020, 10:23:02 am by Latole |
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5 Replies
2771 Views |
September 17, 2020, 08:17:16 pm by tubeswell |
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4 Replies
1736 Views |
September 17, 2020, 04:33:46 pm by judgeamps |
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Hi/Lo input ground wiring
Started by daveyajd |
13 Replies
5116 Views |
September 17, 2020, 12:10:12 pm by tubeswell |
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MU metal foil
Started by Leevi |
9 Replies
3007 Views |
September 17, 2020, 07:35:40 am by shooter |
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16 Replies
5101 Views |
September 16, 2020, 09:34:17 pm by sluckey |
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7 Replies
3731 Views |
September 16, 2020, 12:22:25 pm by Latole |
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Dr Z EMS JCM800/JTM50 style amp
Started by RobBozic |
6 Replies
3584 Views |
September 16, 2020, 06:11:13 am by pdf64 |
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Stereo guitar amp ideas
Started by goldstache |
7 Replies
2629 Views |
September 16, 2020, 12:55:49 am by Toxophilite |
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6 Replies
2862 Views |
September 15, 2020, 06:31:58 pm by Opry Audio |
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